ST. LOUIS (AP) — Alex Ovechkin became the 11th player in NHL history to score 50 or more goals in a season five times, and the Washington Capitals kept their slim playoff hopes alive by beating the slumping St. Louis Blues 4-1 on Tuesday night.Ovechkin, who added two assists, beat Ryan Miller with a one-timer from the left circle at 17:54 of the first period for his 50th goal overall and 23rd on the power play, both league highs. It is Ovechkin’s first 50-goal campaign since 2009-10, when he scored 50. His single-season high is 65 in the 2007-08 season.FLYERS 5, PANTHERS 2SUNRISE, Fla. (AP) — Claude Giroux scored two goals and the Philadelphia Flyers clinched a playoff berth by beating the Florida Panthers.Tye McGinn, Sean Couturier and Vincent Lecavalier also scored for the Flyers and Steve Mason made 38 saves.